'''Uia''' is a locality in the Marquesas Islands.
'''UIA''' may refer to:
==Airlines== * Ukraine International Airlines, the flag carrier of Ukraine * Uni Air (ICAO: UIA), a Taiwanese regional airline based in Zhongshan, Taipei * United International Airlines, a Serbian cargo airline
==Professional organizations and unions== * Argentine Industrial Union (''Unión Industrial Argentina'') * International Union of Architects (''Union internationale des Architectes'') * Union Internationale des Avocats (International Association of Lawyers)
==Universities== * International Islamic University Malaysia (''Universiti Islam Antarabangsa'') * Universidad Iberoamericana in Mexico * University of Agder (''Universitetet i Agder'') * University of Antwerp (''Universitaire Instelling Antwerpen'')
==Other uses== * Microsoft UI Automation, a computer accessibility technology * Uganda Investment Authority * UIA Mutual, an insurance company in the United Kingdom * Ukrainian Insurgent Army * Unemployment Insurance Agency, the agency that oversees unemployment compensation in the U.S. state of Michigan * Union of International Associations * United Iraqi Alliance * United Israel Appeal * Ethel (cat), a cat known for UIA Cat meme.
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